You can see a summary of activity
But what is much more interesting is the dynamic and interactive Conversation Visualizer
And here is a secret (well not so secret, maybe less obvious) trick, if you tack on
&name=twittername (no @) you can review the activity of one account within the network, for example the always connective Helen Dewaard:
To really see something, explore the Replay Tweets button in Helen’s summary!
Please share often, reply, connect in twitter and here during OEweek.